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Office of the Prime Minister and Privy Council

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Office of the Prime Minister and Privy Council, Federal heritage building in Ottawa, Canada

The Office of the Prime Minister and Privy Council is a three-story sandstone building with Second Empire features, including mansard roofs and arched windows. The ornate stone facade houses the Prime Minister and senior government officials.

The building was completed in 1889 by architect Thomas Fuller as a federal office. It later became the headquarters of Canada's executive branch.

The building was long known as the Langevin Block, named after a French-Canadian politician. The name change in 2017 reflects Canada's evolving conversation about its past.

Located at 80 Wellington Street directly across from Parliament Hill, the building is easy to find in central Ottawa. The site is designed to function as part of the government district.

The sandstone used in the facade was quarried locally and reflects the craftsmanship of the late 1800s. This material choice was a deliberate expression of Canadian identity at the time.

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Location
Inception
1889
Architects
Thomas Fuller
Architectural style
Second Empire style
Made from material
sandstone
Part of
Sparks Street Heritage Conservation District
GPS coordinates
45.42368,-75.69706
Latest update
December 7, 2025 19:29
« Office of the Prime Minister and Privy Council - Federal heritage building in Ottawa, Canada » is provided by Around Us (aroundus.com). Images and texts are derived from Wikimedia project under a Creative Commons license. You are allowed to copy, distribute, and modify copies of this page, under the conditions set by the license, as long as this note is clearly visible.

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